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Finding the Fourth Proportional to 263.44, 363.57 and 152.91

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Solution

The fourth proportional to 263.44, 363.57 and 152.91 is: 211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.44 : 363.57 = 152.91 : x
  2. Step 2: Convert to fraction form
    263.44/363.57 = 152.91/x
  3. Step 3: Cross multiply
    263.44x = 363.57 × 152.91
  4. Step 4: Simplify right side
    263.44x = 55,591.67
  5. Step 5: Solve for x
    x = 55,591.67/263.44
  6. Step 6: Final answer
    x = 211.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.